What must EMTs possess to use a flashing green light on their vehicle?

EMTs must possess a permit from the Indiana Department of Homeland Security to use a flashing green light on their vehicle. This requirement ensures that emergency medical technicians are properly certified and authorized to take advantage of the visual signaling that assists in their role, particularly in responding to emergencies. The flashing green light serves as an indicator of their status and aids in navigating traffic more effectively. The permit signals that the EMT has met the necessary qualifications and regulatory standards set forth by the state, which emphasizes the importance of safety and proper training in emergency response services.